Sports, generally speaking, are meant to be played as a tourney or as part of a league. You have your event or season, and the teams play games/matches against each-other over the course of it. For Guild Ball, that was the Big League, originally released in Season 2. Well, the game has changed quite a bit since then, and now Steamforged is updating the Big League for Season 4.

From the announcement:

The base system of Big League will not be changing too much, after all, don’t fix what ain’t broken, right? However, there is still a lot of new stuff to talk about. We’ll cover each in more detail soon but here is the short list of new updates;

Guild Plots for New Guilds 10 New Common Campaign Plot cards Rules for playing the Big League with Game Plan cards